LandOfFree - US Patents - Listing for Communications, electrical: acoustic wave systems and devices,Echo systems

Communications – electrical: acoustic wave systems and devices – Echo systems – Speed determination

Range computations for correlation speed sensor

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Range control system

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Range expander for sonar system

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Range finding audio system

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Real-time audio spectrum analyzer

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Receiver circuit for an echo-sounding system

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Reduction of low frequency vibrational noise in towed arrays

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Reflective object detecting apparatus

Communications – electrical: acoustic wave systems and devices – Echo systems – Presence or movement only detection

Reflective object detector with compensated receiver signal

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Resampling sonar echo time series primarily for seabed...

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Resolving directional information in sonar arrays

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Robust and intelligent bearing estimation

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Runway and obstacle detector to improve airplane landing